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Immunohistochemical staining patterns of GS in patients with and without epilepsy
| Immunostaining | No. (%) of Patients |
||
|---|---|---|---|
| Pts with epilepsy (n = 34) | Pts without epilepsy (n = 49) | P | |
| GS expression | |||
| Absent | 7 (20.6) | 4 (8.2) | |
| Present | 27 (79.4) | 45 (91.8) | .180 |
| Intensity of staining | |||
| Absent/low | 17 (50) | 7 (14) | <.0001 |
| Moderate/strong | 17 (50) | 42 (86) | |
| Homogeneity of staining | |||
| Absent/not homogeneous | 27 (79.4) | 25 (51) | .009 |
| Homogeneous | 7 (20.6) | 24 (49) | |
Abbreviation: GS glutamine synthetase.
